30497807 has 2 divisors, whose sum is σ = 30497808. Its totient is φ = 30497806.

The previous prime is 30497801. The next prime is 30497833. The reversal of 30497807 is 70879403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30497807 - 2²⁴ = 13720591 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30497801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15248903 + 15248904.

It is an arithmetic number, because the mean of its divisors is an integer number (15248904).

Almost surely, 2^30497807 is an apocalyptic number.

30497807 is a deficient number, since it is larger than the sum of its proper divisors (1).

30497807 is an equidigital number, since it uses as much as digits as its factorization.

30497807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 30497807 is about 5522.4819601335. The cubic root of 30497807 is about 312.4324999810.

The spelling of 30497807 in words is "thirty million, four hundred ninety-seven thousand, eight hundred seven".